{"id":"CVE-2017-12316","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-12316","generatedAt":"2026-10-29T03:46:15.757Z","title":"A vulnerability in the Guest Portal login page of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to perform multiple login attempts in excess of the configured login attempt limit.","description":"A vulnerability in the Guest Portal login page of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to perform multiple login attempts in excess of the configured login attempt limit. The vulnerability is due to insufficient server-side login attempt limit enforcement. An attacker could exploit this vulnerability by sending modified login attempts to the Guest Portal login page. An exploit could allow the attacker to perform brute-force password attacks on the ISE Guest Portal. Cisco Bug IDs: CSCve98518.","published":"2017-11-16T07:29:01.000Z","lastModified":"2026-06-17T01:03:06.000Z","status":"Modified","sourceIdentifier":"psirt@cisco.com","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-287","CWE-307"],"affected":["cisco/identity services engine software"],"epss":{"score":0.02033,"percentile":0.80993,"date":"2026-10-28","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.03%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/101931","tags":["Third Party Advisory","VDB Entry"],"source":"psirt@cisco.com"},{"url":"http://www.securitytracker.com/id/1039830","tags":["Third Party Advisory","VDB Entry"],"source":"psirt@cisco.com"},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-ise","tags":["Vendor Advisory"],"source":"psirt@cisco.com"},{"url":"http://www.securityfocus.com/bid/101931","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1039830","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-ise","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-12316","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}